Bored with the familiar patterns of their Risk games, the designers of Cosmic Encounter wanted a game where every play felt different from the last
Astrologian's Planisphere This two-cost Blue artifact Equipment with job select Equip for 2 will make it a Wizard and then as you cast non-dorks, toss a +1/+1 counter here and then on your third card drawn each turn, not just yours - brilliant win con there for Spellslinger brews and Commanders for Commander Damage in Cantrips
Gamechangers for Tymna The Gitrog Monster A froggy chap with a winning smile, The Gitrog Monster has a series of unique, versatile abilities that make for a powerful MTG commander
Rootwise Survivor's last ability doesn't have a duration, which means the land remains a creature indefinitely
Meren of Clan Nel Toth is another classic Golgari commander that will let you reanimate creatures for free every turn
Cloudshredder Sliver, Alibou, Ancient Witness, Thopter Engineer, and Karrthus, Tyrant of Jund are all excellent tribal payoffs